171265042828 has 48 divisors (see below), whose sum is σ = 358131261600. Its totient is φ = 70741959680.

The previous prime is 171265042813. The next prime is 171265042867. The reversal of 171265042828 is 828240562171.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3925963 + ... + 3969346.

It is an arithmetic number, because the mean of its divisors is an integer number (7461067950).

Almost surely, 2^171265042828 is an apocalyptic number.

It is an amenable number.

171265042828 is an abundant number, since it is smaller than the sum of its proper divisors (186866218772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

171265042828 is a wasteful number, since it uses less digits than its factorization.

171265042828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7895370 (or 7895368 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 46.

The spelling of 171265042828 in words is "one hundred seventy-one billion, two hundred sixty-five million, forty-two thousand, eight hundred twenty-eight".